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Finding the Fourth Proportional to 243,222.16, 364,889.44 and 77,010.16

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Solution

The fourth proportional to 243,222.16, 364,889.44 and 77,010.16 is: 115,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,222.16 : 364,889.44 = 77,010.16 : x
  2. Step 2: Convert to fraction form
    243,222.16/364,889.44 = 77,010.16/x
  3. Step 3: Cross multiply
    243,222.16x = 364,889.44 × 77,010.16
  4. Step 4: Simplify right side
    243,222.16x = 28,100,194,156.71
  5. Step 5: Solve for x
    x = 28,100,194,156.71/243,222.16
  6. Step 6: Final answer
    x = 115,533.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.